Composition comprising particles of a hydrophilic polyorganosiloxane suspended in an aqueous phase

ABSTRACT

The invention relates to a composition for cosmetic or topical application comprising particles of an at least partially crosslinked elastomeric solid polyorganosiloxane suspended in an aqueous phase, wherein the composition is substantially water-resistant. This composition is more especially a make-up composition or a care composition for the lips or a foundation composition for making up the human face or body. This composition is soft and feels fresh when applied, it spreads easily, it is non-sticky and it does not dry out the skin or the lips. It is entirely suitable for greasy skin, on account of its high matte-effect power.

[0001] The present invention relates to a care composition and/or amake-up composition for the skin and/or lips of human beings which hasnot only matte-effect and freshness properties, but alsowater-resistance properties. Such compositions may be in the form of alip composition, an eyeliner, a face powder, an eye-shadow, afoundation, an anti-sun product, a deodorant, or a treatment shampoo, inthe form of an aqueous gel, a lotion or a cream, or cast as a stick oras a dish.

[0002] The known lip and foundation compositions generally comprisefatty substances such as oils, pasty compounds and waxes, as well as aparticulate phase generally composed of fillers and pigments. Thefillers generally serve to modify the texture of the composition, aswell as to give a matte-effect to the film or coat of compositionapplied to the skin and/or the lips, while the pigments generally serveto bring color to the composition.

[0003] A matte-effect is particularly desired for users with combinationor greasy skin, as well for use in hot and humid climates. Matte-effectfillers are usually absorbent fillers such as talc, silica, kaolin orfillers which have optical properties of scattering light, theseproperties being known as the “soft focus” effect.

[0004] As taught in European patent application no. EP-A-790 055,matte-effect polymers, such as crosslinked silicone polymers known underthe commercial references KSG (KSG 6, 16, 17 and 18) from the companyShin Etsu, Trefils from the company Dow Corning, or Gransils from thecompany Grand Industrie, have recently been used is cosmeticcompositions.

[0005] The drawback with these commercial products is that they containlinear or cyclic silicone oils of the non-crosslinkedpolydimethylsiloxane (PDMS) type, which give an oily, greasy effect anddo not feel fresh. Accordingly, it is difficult or impossible to use theresulting products in a hot and humid environment and/or by users withgreasy skin. Furthermore, these commercial products, even those whichare free of silicone oil (Trefils 505 C from Dow Corning, for example)are difficult to disperse in an aqueous medium. On account of their highincompatibility with water, these polymers have excellent properties ofwater-resistance or water-remanence, and are presented as“water-insoluble” elastomeric silicone polymers. See, for example,European patent application no. EP-A-0 855 178. Such properties allowelastomeric silicone polymers to be used in so-called “waterproof”compositions, in particular waterproof mascara, eye-liner or anti-suncompositions, the latter being particularly sought after by consumers onholiday by the sea or next to a body of water.

[0006] However, the matte-effect power of these polymers has a tendencyto fade away over time, once again leading to shiny and greasy effectson the skin, which are aesthetically unattractive. As taught in U.S.Pat. No. 5,412,004 to Kose and U.S. Pat. No. 5,599,533 to Estée Lauder,in order to improve their cosmetic properties, emulsions have recentlybeen formulated containing this type of polymer. Although they have amore fresh and less greasy effect than anhydrous products, these stableemulsions lose their matte-effect property initially provided by thecrosslinked silicone polymers.

[0007] Compounds of the crosslinked organosiloxane type which can bedispersed in aqueous medium exist. For example, KSG 20 or KSG 21 sold bythe company Shin Etsu, exhibit a specific chemical structure that allowsit to be dispersed in an aqueous medium. Specifically, the presence ofpolar groups give the resulting compounds surfactant properties.However, these compounds, unlike those of the composition of theinvention, do not provide any particular matte-effect or freshness.

[0008] Moreover, the company Procter & Gamble has envisaged, in itsInternational patent application no. WO-A-96/36323, mascara compositionsof the water-in-oil emulsion type which are long-lasting, show waterresistance and leave no traces. These compositions contain, inter alia,an aqueous polymer dispersion, generally known as a latex, combined witha surfactant of the alkyl or alkoxy dimethicone copolyol type,hydrocarbon-based oils, pigments and fillers, as well as waxes. However,these mascara compositions are unsuitable for use on the skin, becauseafter the water has evaporated, they form a continuous film on the skinwhich leads to tautness and discomfort, particularly dryness.

[0009] The need thus remains for a water-resistant matte-effectcomposition whose properties persist on the skin over time and which atthe same time provide freshness and comfort.

[0010] The Inventor has surprisingly discovered that the introduction ofparticles of a specific polyorganosiloxane into a composition fortopical application, and more especially a care composition or a make-upcomposition for the skin or the lips, makes it possible to overcome theabove-described drawbacks. Specifically, the inventive compositions makeit possible to obtain a water-resistant film whose cosmetic propertiesare better than those of the water-resistant products of the prior art.In particular, the present invention provides a water-resistant filmthat exhibits properties that are superior to those of the prior art,e.g., improved properties related to ease of application, e.g.,slipperiness, tautness, dryness, specifically on the lips, freshness, aswell as the ability to provide a matte effect.

[0011] The invention applies not only to make-up products for the lipsand skin of human beings, but also to care products and/or treatmentproducts for human lips and skin. The composition of the invention canalso be in the form of a topical composition, which can be applied tothe scalp, i.e., areas of superficial keratinous growths, for example.

[0012] Thus, one object of the present invention is a composition forcosmetic or topical application comprising particles of an at leastpartially crosslinked elastomeric solid polyorganosiloxane suspended inan aqueous phase that exhibits improved water-resistance.

[0013] Still another object of the present invention is a compositionfor cosmetic or topical application comprising particles of an at leastpartially crosslinked elastomeric solid polyorganosiloxane suspended inan aqueous phase that provides a water-resistant make-up or carecomposition for keratin substances.

[0014] Another object of the invention is a process for increasing thewater-remanence of a cosmetic composition, which comprises introducinginto the composition, by mixing, for example, particles of an at leastpartially crosslinked elastomeric polyorganosiloxane suspended in anaqueous phase.

[0015] It is entirely surprising that the composition is water-resistantalthough it comprises a continuous aqueous phase. At the present time,no commercially available water-resistant cosmetic product exists whichhas a continuous aqueous phase.

[0016] The term “elastomeric” means a flexible, deformable materialwhich has viscoelastic properties and in particular the consistency of asponge or a flexible sphere. Its modulus of elasticity is such that thismaterial withstands deformation and has a limited capacity forstretching and contracting. This material is capable of regaining itsoriginal shape after it has been stretched. This elastomer is formedfrom high molecular weight polymer chains whose mobility is limited by auniform network of crosslinking points.

[0017] The elastomeric polyorganosiloxanes of the composition of theinvention have properties of structuring an aqueous medium and arecapable of increasing the viscosity of the aqueous phase. They do notdry out the skin and provide good cosmetic properties, in particularsoftness, freshness and a matte effect. These novel elastomers lead tocompositions which feel comfortable when applied, spread well, and feelsoft and non-sticky to the touch. These cosmetic properties are due bothto the texture of the polyorganosiloxanes and to their properties whichare comparable to those of microsponges, which trap aqueous media,particularly those of the composition and those due to the perspirationof the skin. They thus make it possible to obtain thickened compositionswhich have good water-remanence. In addition to the above advantages,the compositions of the invention have good stability.

[0018] The compositions of the invention can be in the form of a paste,a solid or a more or less fluid cream. They can be oil-in-water orwater-in-oil emulsions which are a fluid, solid or soft hydrophilic gel.The compositions can have the appearance of a lotion, gel, cream or castproduct, and can even be in the form of an aerosol.

[0019] The elastomeric polyorganosiloxanes in accordance with theinvention are partially or totally crosslinked hydrophilic compounds ofthree-dimensional structure. The thickening of the aqueous phase withthese elastomers can be total or partial. It is entirely surprising thathydrophilic polymers have water-remanence properties.

[0020] The elastomers of the invention are in the form of a powder or anemulsified gel containing an elastomeric polyorganosiloxane ofthree-dimensional structure, dispersed in water. The particle dispersionor suspension is homogeneous.

[0021] The elastomeric polyorganosiloxanes of the present invention canbe chosen from the crosslinked polymers described in Japanese patentapplication no. JP-A-10/175816, the disclosure of which is incorporatedherein in its entirety. According to this Japanese application,elastomeric polyorganosiloxanes are obtained by an addition andcrosslinking reaction, in the presence of a catalyst, in particular ofthe platinum type, of:

[0022] (a) at least one polyorganosiloxane (i) with α-ω positions in thesilicone chain, having at least two vinyl groups in the α-ω positions ofthe silicone chain per molecule; and

[0023] (b) at least one organosiloxane (ii) containing at least onehydrogen atom linked to a silicon atom per molecule.

[0024] In particular, the polyorganosiloxane (i) is chosen frompolydimethylsiloxanes, and is more specifically an α,ω-dimethylvinylpolydimethylsiloxane. It is understood that while onevinyl group in each of the α and ω positions of the silicone chain permolecule imparts the desired properties, preferably, apolyorganosiloxane having at least two vinyl groups in the α-ω positionsof the silicone chain per molecule is used.

[0025] The elastomeric polyorganosiloxanes of the composition accordingto the invention are advantageously in the form of an aqueoussuspension. This suspension can be obtained in particular as follows:

[0026] (a) mixing the polyorganosiloxane (i) and the organosiloxane(ii);

[0027] (b) adding the aqueous phase containing an emulsifier to themixture of (a);

[0028] (c) emulsifying the aqueous phase and the mixture;

[0029] (d) adding water to the emulsion of (c); and

[0030] (e) polymerizing the polyorganosiloxane (i) and theorganosiloxane (ii) as an emulsion in the presence of a platinumcatalyst.

[0031] The water is advantageously added at a temperature above roomtemperature, preferably 40-60° C. After polymerization, it is possibleto dry the particles obtained in order to evaporate therefrom all orsome of the trapped water.

[0032] The polyorganosiloxanes are in the form of hydrophilic deformablesolid particles which have a certain hardness, measurable with a Shore Adurometer (according to ASTM standard D2240) at room temperature or bythe Japanese method JIS-A. This hardness can be measured on a block ofelastomer prepared for this purpose as follows: mixing thepolyorganosiloxane (i) and the organosiloxane (ii); removing air fromthe mixture; molding and vulcanizing in an oven at 100° C. for 30minutes; cooling to room temperature and then measuring the hardness.The density can also be determined on this block of elastomer.

[0033] The Shore hardness is less than or equal to 80, and preferablyless than 65. The polyorganosiloxanes of the composition of theinvention are, for example, those sold under the names BY 29-122 and BY29-119 by the company Dow-Corning Electric. A mixture of thesecommercial products can also be used. A block of elastomers according tothe product comprising BY-29-122 has a hardness of 7, and according tothe product comprising BY-29-119 has a hardness of 30. The density ofthese products is typically 0.97 to 0.98.

[0034] The elastomeric polyorganosiloxane powder, which acts as awater-dispersible filler, is present in the composition in an amount offrom 1 to 99%, and preferably in an amount of from 5 to 70%. The aboveamounts correspond to an active material content of the polymer of from0.5 to 65% by weight, and preferably of from 3 to 45%, respectively.

[0035] The elastomeric polyorganosiloxane particles, as active material,have a size ranging from 0.1 to 500 μm, and preferably from 3 to 200 μm.While these particles can be flat or amorphous, they preferably have aspherical shape.

[0036] In order to disperse stably in water, these polyorganosiloxaneparticles can be combined with one or more nonionic, cationic or anionicsurfactants with a hydrophilic-lipophilic balance (HLB)≧8.

[0037] As taught in the description of Japanese patent application no.JP-A-10/175816, the proportion of surfactants is preferably from 0.1 to20 parts by weight per 100 parts by weight of the elastomericpolyorganosiloxane composition, and more preferably from 0.5 to 10 partsby weight.

[0038] These elastomeric polyorganosiloxane powders can be combined withfatty substances that are liquid at room temperature, known as oils,such as those described in Japanese patent application no.JP-A-10/175816, waxes or gums that are solid at room temperature, pastyfatty substances of animal, plant, mineral or synthetic origin, mixturesthereof and inorganic powders such as those described in the aboveJapanese patent application.

[0039] The additional fatty phase can be any fatty phase and can containproducts that are fluid at room temperature, such as silicone oils,fluoro oils, fluorosilicone oils and hydrocarbon-based oils which areoptionally partially silicone-containing. These oils can be volatile atroom temperature and atmospheric pressure. The expression “volatile oil”in particular means an oil which can evaporate in less than one hourwhen placed in contact with the skin or the lips. These oils canrepresent from 0 to 80% of the total weight of the composition.

[0040] As oils which can be used in the composition of the invention,mention may be made in particular of:

[0041] hydrocarbon-based oils of animal origin, such asperhydrosqualene;

[0042] hydrocarbon-based plant oils, such as liquid fatty acidtriglycerides, for example sunflower oil, corn oil, soybean oil, marrowoil, grape seed oil, sesame oil, hazelnut oil, apricot oil, macadamiaoil, castor oil, avocado oil, caprylic/capric acid triglycerides such asthose sold by the company Stearineries Dubois or those sold under thenames Miglyol 810, 812 and 818 by the company Dynamit Nobel;

[0043] oils of formula R¹COOR² in which R¹ represents a higher fattyacid residue comprising from 7 to 19 carbon atoms and R² represents abranched hydrocarbon-based chain containing from 3 to 20 carbon atoms,such as, for example, purcellin oil;

[0044] linear or branched hydrocarbons of mineral or synthetic origin,such as volatile or non-volatile liquid paraffins and derivativesthereof, petroleum jelly, polydecenes, and hydrogenated polyisobutenesuch as parleam;

[0045] synthetic esters and ethers, such as isopropyl myristate andalkyl or polyalkyl octanoates, decanoates and ricinoleates;

[0046] fatty alcohols, such as octyldodecanol and oleyl alcohol;

[0047] partially hydocarbon-based and/or silicone-based fluoro oils,such as those described in Japanese patent application no. JP-A-2 295912, the disclosure of which is incorporated herein in its entirety;

[0048] silicone oils, such as polymethylsiloxanes containing a linear orcyclic silicone chain, which are liquid or pasty at room temperature,phenyl dimethicones, phenyl trimethicones and polymethylphenylsiloxanes;

[0049] mixtures thereof.

[0050] Advantageously, the compositions according to the invention cancontain hydrocarbon-based waxes, fluoro waxes or silicone waxes ormixtures thereof, which may be solid or semi-solid (in the form of apaste) at room temperature. These waxes may be of plant, mineral, animaland/or synthetic origin. In particular, these waxes have a melting pointof greater than 25° C., and preferably greater than 45° C.

[0051] The silicone waxes can be waxes comprising a silicone structureand units containing one or more alkyl or alkoxy chains pendant and/orat the end of the silicone structure, these chains being linear orbranched and comprising from 10 to 45 carbon atoms. These waxes arereferred to respectively as alkyldimethicones and alkoxydimethicones.Moreover, these alkyl chains can comprise one or more ester functions.

[0052] As other waxes which can be used in the invention, mention may bemade of waxes of animal origin, such as lanolin or beeswax; waxes ofplant origin, such as carnauba wax or candelilla wax; waxes of mineralorigin, for example, paraffin wax, lignite wax or microcrystallinewaxes, ceresine or ozokerite; synthetic waxes, such as polyethylenewaxes; and mixtures thereof.

[0053] These fatty substances can be chosen in a varied manner by aperson skilled in the art in order to prepare a composition which hasthe desired properties, for example, in terms of consistency or texture.

[0054] In particular, the presence of waxes makes it possible to providegood mechanical strength, in particular when the composition is in theform of a stick.

[0055] In general, the composition can comprise from 0 to 50% of waxrelative to the total weight of the composition, and preferably from 10to 30%.

[0056] The composition of the invention can also comprise at least oneadditional ingredient usually used in the field concerned, chosen fromantioxidants, essential oils, preserving agents, cosmetic ordermatological active agents such as moisturizers (glycerol), vitamins,essential fatty acids and lypophilic sunscreens, lyposoluble polymers,in particular hydrocarbon-based polymers such as polyalkylenes,aqueous-phase gelling agents, fatty-phase gelling agents, fragrances,surfactants, and mixtures thereof.

[0057] These additional ingredients can be present in the compositionaccording to the invention in the amounts usually used. For example,additional ingredients can be found in a proportion of from 0 to 20%relative to the total weight of the composition, and preferably from 0.1to 10%.

[0058] Advantageously, the compositions of the invention contain, as anadditional ingredient, one or more aqueous-phase gelling agents. Amongthe aqueous-phase gelling agents which can be used according to theinvention, mention may be made of: water-soluble cellulosic gellingagents such a hydroxyethylcellulose, methylcellulose,hydroxypropylcellulose and carboxymethylcellulose; guar gum; quaternizedguar gum; nonionic guar gums comprising C₁-C₆ hydroxyalkyl groups;xanthan gum, carob gum, scleroglucan gum, gellan, rhamsan gum and karayagum; alginates, maltodextrin, starch and its derivatives; hyaluronicacid and its salts; clays, in particular montmorillonites, hectorites orbentonites, and laponites; polymers containing a carboxylic group, suchas at least partially neutralized crosslinked polyacrylic acids, forinstance the “Carbopols” or “Carbomers” from the company Goodrich, e.g.,Carbomer 980 neutralized with triethanolamine—abbreviated to TEA;polyglyceryl (meth)acrylate polymers; polyvinylpyrrolidone; polyvinylalcohol; crosslinked acrylamide polymers and copolymers; crosslinkedmethacryloyloxyethyltrimethylammonium chloride homopolymers; associativepolyurethanes; and mixtures thereof.

[0059] According to the invention, the aqueous-phase gelling agent ispreferably chosen from xanthan gum, clays (bentonite or laponite),associative polyurethanes, cellulosic thickeners, in particularhydroxyethylcellulose, and at least partially neutralized crosslinkedpolyacrylic acids.

[0060] It would be readily apparent to a person skilled in the art toselect the optional additional ingredients and/or the amount thereofsuch that the advantageous properties of the composition according tothe invention are not, or are not substantially, adversely affected bythe addition envisaged. In particular, these additives must not harm thehomogeneity, stability, comfort, matte-effect, freshness orwater-resistance of the composition.

[0061] The composition according to the invention can be in the form ofa colored product and especially a make-up product for the skin, inparticular a foundation, a face powder, an eye-shadow, a mascara, aneye-liner, a concealer stick, a nail varnish or a make-up product forthe lips, such as a lipstick. They can also be in non-colored form,optionally containing cosmetic or dermatological active agents. In thiscase, they can be used as a care base for the lips (lip balms forprotecting the lips against the cold and/or the sun and/or the wind) ora fixing base to be applied over a conventional lipstick.

[0062] The composition of the invention can also be in the form of adermatological or cosmetic composition for treating or caring for theskin (including the scalp), keratin fibres (hair, eyelashes, eyebrows),the nails or the lips, or in the form of an anti-sun or artificialtanning composition, or alternatively in the form of a cleansing productor a product for removing make-up from the skin or keratin fibres, adeodorant product or a fragrancing product.

[0063] The composition of the invention should be cosmetically anddermatologically acceptable, i.e. non-toxic, and able to be applied tothe skin, including the inside of the eyelids, or to the lips of humanbeings.

[0064] Preferably, the composition of the invention can comprise adyestuff, particularly containing a particulate phase. Generally, adyestuff can be present in a proportion of from 0 to 60% relative to thetotal weight of the composition, more preferably of from greater than0.1 to 60% relative to the total weight of the composition, and stillmore preferably from 5 to 35%. The dyestuff can comprise pigments and/ornacres and/or fillers usually used in cosmetic compositions.Alternatively, dyes which are soluble in the medium, and in particularwater-soluble or liposoluble dyes can be used.

[0065] The term “pigments” should be understood to mean white orcolored, inorganic or organic particles which are insoluble in themedium of the composition and are intended to color and/or opacify thecomposition. The term “fillers” should be understood to mean colorlessor white, inorganic or synthetic, lamellar or non-lamellar particles.The term “nacres” should be understood to mean iridescent particles,produced in particular by certain mollusks in their shell, or elsesynthesized. These fillers and nacres serve to modify the texture of thecomposition as well as the matte-effect/gloss.

[0066] The pigments can be present in the composition in a proportion offrom 0 to 60% relative to the weight of the final composition, andpreferably in a proportion of from 4 to 25%. As inorganic pigments whichcan be used in the invention, mention may be made of titanium oxide,zirconium oxide or cerium oxide, as well as zinc oxide, iron oxide orchromium oxide and ferric blue. Among the organic pigments which can beused in the invention, mention may be made of carbon black and barium,strontium, calcium and aluminium lakes, and mixtures thereof.

[0067] The nacres can be present in the composition in a proportion offrom 0 to 20% relative to the total weight of the composition, andpreferably in a proportion from about 2 to 15%. Among the nacres whichcan be used in the invention, mention may be made of mica coated withtitanium oxide, with iron oxide, with natural pigment or with bismuthoxychloride, such as colored titanium mica.

[0068] The fillers can be present in a proportion of from 0 to 35%relative to the total weight of the composition, and preferably from 5to 15%. Mention may be made in particular of talc, mica, silica, Nylon®powder (Orgasol® in particular from Atochem) and polyethylene powder,Teflon®, starch, boron nitride, and silicone resin microbeads (Tospearl®from Toshiba, for example), and mixtures thereof.

[0069] The water-soluble dyes are, in particular, beetroot juice ormethylene blue and can represent from 0 to 6% relative to the totalweight of the composition.

[0070] The composition according to the invention can be manufacturedwithout heating or by heating one or more elastomericpolyorganosiloxanes in the form of a powder dispersed in water, addingone or more pigments, one or more fillers and/or one or more otheradditives, optionally adding the fatty phase in liquid form (inparticular brought to the highest melting point of the waxes), followedby emulsification, if necessary.

[0071] The composition can also be obtained by extrusion as described inEuropean patent application no. EP-A-667 146, the disclosure of which isincorporated by reference herein in its entirety. This process consistsin blending the paste (waxes+oils+additives+pigments) during the coolingin order to create, in the bulk zones for crushing, a paste with the aidof a roll mill or a screw extruder-mixer. This process makes it possibleto obtain a composition in the form of a soft paste.

[0072] The invention is illustrated in greater detail in the exampleswhich follow. The percentages are given on a weight basis.

EXAMPLE 1

[0073] Preparation of an anti-sun gel: Carbomer 980 0.3% TEA 3% SiliconeBY 29-119 15% Hydrophilic treated nanometric TiO₂ 3% Mexoryl SX (*) 0.5%AM Preserving agent qs Water qs 100%

[0074] Result

[0075] A composition according to this example resulted in a gel with apronounced matte effect, which felt very fresh when applied, had goodstaying power over time, and had good water-resistance, unlike theproducts of the prior art.

[0076] Preparation

[0077] The polyorganosiloxane was added to the water at roomtemperature, followed by addition of the gelling agent, the neutralizingagent, the TiO₂, the Mexoryl SX and the preserving agents. Thecombination of components was then mixed together with stirring.

EXAMPLE 2

[0078] Preparation of a water-resistant, fresh-feeling matte foundation:Silicone BY 29-122 0% Pigments (iron oxides) 7% Talc 10% Glycerin 5%Preserving agent qs Water qs 100%

[0079] Result

[0080] A composition according to this example resulted in a foundationwhich felt fresh, had a pronounced matte effect, good staying power overtime and good water-resistance.

[0081] Preparation

[0082] This composition was prepared as in Example 1.

[0083] A comparative test of water-resistance was carried out on aneye-shadow with a continuous aqueous phase, containing or not containingthe hydrophilic crosslinked polyorganosiloxane. The water-resistance wasmeasured on a film 50, 100, 150 and 300 μm thick deposited on a glassplate which was left to dry at room temperature for one hour. A trickleof water was allowed to flow continuously and the time required for thefilm to begin to degrade was measured.

EXAMPLE 3

[0084] Preparation of an eye-shadow containing a hydrophilicpolyorganosiloxane: Trefil BY 29-119 32% Carbopol 980 0.58% TEA 0.58%Brown nacre 5% Talc 5% Preserving agent 0.75% Water qs 100%

[0085] Thickness of the drawn film (μm) 50 100 150 300 Time sec* 10 2022 35

COMPARATIVE EXAMPLE

[0086] Preparation of an eye-shadow not containing a hydrophiliccrosslinked polyorganosiloxane: Carbopol 980 0.58% TEA 0.58% Brown nacre5% Talc 5% Preserving agent 0.75% Water qs 100%

[0087] Thickness of the drawn film (μm) 50 100 150 300 Time (sec)** 2 815 20

[0088] The eye-shadow according to the invention felt remarkably fresh,soft and smooth and had noteworthy water-resistance. According to thetest, it was found that the time required to degrade the film in thepresence of water was greater for the composition containing thepolyorganosiloxane than for the composition not containing apolyorganosiloxane.

What is claimed is:
 1. A composition for cosmetic or topicalapplication, said composition comprising particles of an at leastpartially crosslinked elastomeric solid polyorganosiloxane suspended inan aqueous phase.
 2. The composition according to claim 1, wherein saidcomposition is water-resistant.
 3. The composition according to claim 1,wherein said composition is a make-up or a care composition for keratinsubstances.
 4. The composition according to claim 1, wherein saidelastomeric polyorganosiloxane is obtained by an addition andcrosslinking reaction, in the presence of a catalyst, of: at least onepolyorganosiloxane (i) with α- and ω-positions in the silicone chain,having at least two vinyl groups in the α- and the ω-positions of thesilicone chain per molecule; and at least one organosiloxane (ii)containing at least one hydrogen atom linked to a silicon atom permolecule.
 5. The composition according to claim 4, wherein thepolyorganosiloxane (i) is a polydimethylsiloxane.
 6. The compositionaccording to claim 5, wherein the polyorganosiloxane is anα,ω-dimethylvinylpolydimethylsiloxane.
 7. The composition according toclaim 4, wherein a suspension of polyorganosiloxane particles isobtained according to the following: (a) mixing a polyorganosiloxane (i)and an organosiloxane (ii); (b) adding an aqueous phase comprising anemulsifier to the mixture obtained in (a); (c) emulsifying the aqueousphase and the mixture to obtain an emulsion; (d) adding water to theemulsion of (c); and (e) polymerizing the polyorganosiloxane (i) and theorganosiloxane (ii) as an emulsion in the presence of a platinumcatalyst, wherein the temperature of the water added in (d) is aboveroom temperature.
 8. The composition according to claim 7, wherein saidemulsion of (c) is obtained in the presence of a nonionic emulsifier. 9.The composition according to claim 1, wherein said particles have a sizeranging from 0.1 to 500 μm.
 10. The composition according to claim 9,wherein said particles have a size ranging from 3 to 200 μm.
 11. Thecomposition according to claim 1, wherein said particles have a hardnessof less than or equal to
 80. 12. The composition according to claim 11,wherein said particles have a hardness of less than or equal to
 65. 13.The composition according to claim 1, further comprising a fatty phase.14. The composition according to claim 13, wherein said fatty phasecontains at least one fatty substance chosen from volatile andnon-volatile oils, waxes, gums and pasty fatty substances of animal,plant, mineral or synthetic origin, and mixtures thereof.
 15. Thecomposition according to claim 1, further comprising an aqueous-phasegelling agent.
 16. The composition according to claim 15, wherein saidaqueous-phase gelling agent is chosen from xanthan gum, clays,associative polyurethanes, cellulosic thickeners and at least partiallyneutralized crosslinked polyacrylic acids, and mixtures thereof.
 17. Thecomposition according to claim 1, further comprising a particulate phasepresent in an amount of from greater than 0.1 to 60% relative to thetotal weight of the composition.
 18. The composition according to claim17, wherein said particulate phase is present in an amount of from 5 to35% relative to the total weight of the composition.
 19. The compositionaccording to claim 1, further comprising at least one cosmetic ordermatological active agent.
 20. A composition according to claim 1,wherein said composition is in the form of a foundation, a face powder,an eye-shadow composition, a concealer product, a lip composition, aneye-liner, a mascara, a nail varnish, a care base or a fixing base forthe lips, a dermatological product or a care product for the skin orkeratin fibres, an antisun or artificial tanning composition, acleansing product for the skin or keratin fibres, a deodorant product ora fragrancing product.
 21. The composition according to claim 1, furthercomprising at least one dyestuff.
 22. The composition according to claim1, further comprising at least one ingredient chosen from preservingagents, antioxidants, fragrances, fatty-phase gelling agents andsurfactants, and mixtures thereof.
 23. A method for increasing thewater-resistance of a composition, wherein said method comprisesintroducing into said composition particles of an at least partiallycrosslinked elastomeric polyorganosiloxane suspended in an aqueousphase.
 24. The method according to claim 23, wherein said elastomericpolyorganosiloxane is obtained by an addition and crosslinking reaction,in the presence of a catalyst, of: at least one polyorganosiloxane (i)with α- and ω-positions in the silicone chain, having at least two vinylgroups in the α- and the ω-positions of the silicone chain per molecule;and at least one organosiloxane (ii) containing at least one hydrogenatom linked to a silicon atom per molecule.
 25. The method according toclaim 24, wherein the polyorganosiloxane (i) is a polydimethylsiloxane.26. The method according to claim 25, wherein the polyorganosiloxane isan α,ω-dimethylvinylpolydimethylsiloxane.
 27. The method according toclaim 24, wherein a suspension of polyorganosiloxane particles isobtained according to the following: (a) mixing a polyorganosiloxane (i)and an organosiloxane (ii); (b) adding an aqueous phase comprising anemulsifier to the mixture obtained in (a); (c) emulsifying the aqueousphase and the mixture to obtain an emulsion; (d) adding water to theemulsion of (c); and (e) polymerizing the polyorganosiloxane (i) and theorganosiloxane (ii) as an emulsion in the presence of a platinumcatalyst, wherein the temperature of the water added in (d) is aboveroom temperature.
 28. The method according to claim 27, wherein saidemulsion of (c) is obtained in the presence of a nonionic emulsifier.29. The method according to claim 23, wherein said particles have a sizeranging from 0.1 to 500 μm.
 30. The method according to claim 29,wherein said particles have a size ranging from 3 to 200 μm.